Justin Franssen


Lawyer and partner. Justin leads the Gaming & gambling Practice Group. Justin has broad advice and litigation practice and is regularly involved in sector-specific acquisitions and complex public affairs projects.


Justin Franssen is an attorney at law and partner at Kalff Katz & Franssen, where he leads the Gaming & gambling Practice Group. His comprehensive advisory and litigation practice regularly deals with sector-specific acquisitions and complex public affairs processes.

Prior to his admission to the Dutch Bar, Justin acted as general counsel for a gaming developer in Amsterdam and New York. His career as an attorney at law began at an associate firm of KPMG, where he founded their European Gaming & Entertainment Services Group.  He subsequently spent 12 years as head of the Gaming, Sports & Entertainment practice group at a medium-sized law firm in Amsterdam.

Justin regularly publishes in national and international professional journals, is a frequent speaker at sector events and conferences, and is on the editorial boards of Gaming Law Review & Economics and Online Gambling Lawyer. He is a board member of the International Masters of Gaming Law  (IMGL). Justin is also member of the International Association of Gaming Advisors  (IAGA) and holds a seat on the Advisory Board of the International Research Institute for Gambling and Gaming in Bonn.

Justin has received no less than eight consecutive Band 1 rankings in the Chambers Global Guide.

Justin Franssen has registered the following principal (and secondary) legal practice areas in the Netherlands Bar’s register of legal practice areas (rechtsgebiedenregister):

– General law practice

Based on this registration, he is required to obtain ten training credits per calendar year in each registered principal legal practice area in accordance with the standards set by the Netherlands Bar.

Recognition and awards

Chambers en Partners


Sources commend how Justin Franssen of Kalff Katz & Franssen Attorneys at Law was "transformational in terms of the Dutch market, pushing back the regulators and keeping the market alive." He leads the firm's gaming practice, and another source commented that "he is embedded in the industry, a real guru," and "he is always clear, personable and knowledgeable about the Dutch regulatory regime." He is also widely respected by clients: "He is top of the list. If something needs to be done in the Netherlands, I'm calling him." His practice covers a range of non-contentious and contentious mandates.

- Chambers en Partners


Published works

  • Justin Franssen & Alan Littler, “Netherlands iGaming Regulation: An update”, iGamingBusiness, Jan/Feb 2016

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